1312344 has 48 divisors (see below), whose sum is σ = 3879720. Its totient is φ = 397440.

The previous prime is 1312343. The next prime is 1312351. The reversal of 1312344 is 4432131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37 + ... + 1620.

2^1312344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939860).

1312344 is an abundant number, since it is smaller than the sum of its proper divisors (2567376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312344 is a wasteful number, since it uses less digits than its factorization.

1312344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1673 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1312344 is about 1145.5758377340. The cubic root of 1312344 is about 109.4836405159.

Adding to 1312344 its reverse (4432131), we get a palindrome (5744475).

The spelling of 1312344 in words is "one million, three hundred twelve thousand, three hundred forty-four".